fix(process): register cpu_seconds_total and bump version to 0.2.1 (#174)

chore: release fastmetrics-v0.7.1

fix(format/text): avoid duplicate counter `_total` suffix (#173)

chore: release fastmetrics-process-v0.2.0

chore: release fastmetrics-v0.7.0

chore: release fastmetrics-derive-v0.7.0

chore: update release.toml (#172)

feat(derive): add `LabelSet` derive and refactor derive input borrowing (#171)

feat(derive): support tuple newtype structs for `EncodeLabelValue` derive (#170)

chore(examples): add release_info metrics (#169)

chore(examples): add content negotiation into exporter examples (#168)

feat(format/text): add explicit text profiles with escaping schemes and strict profile handling (#167)

feat(format/text): tighten Prometheus profile semantics and escaping (#166)

feat(format/protobuf)!: add Prometheus protobuf profile support and profile-based APIs (#165)

feat(format/text)!: add text profile option (#164)